138054305 has 8 divisors (see below), whose sum is σ = 166041792. Its totient is φ = 110192368.

The previous prime is 138054281. The next prime is 138054313. The reversal of 138054305 is 503450831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138054305 - 2¹⁰ = 138053281 is a prime.

It is a super-2 number, since 2×138054305² = 38117982258066050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28949 + ... + 33378.

It is an arithmetic number, because the mean of its divisors is an integer number (20755224).

Almost surely, 2^138054305 is an apocalyptic number.

It is an amenable number.

138054305 is a deficient number, since it is larger than the sum of its proper divisors (27987487).

138054305 is an equidigital number, since it uses as much as digits as its factorization.

138054305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62775.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 138054305 is about 11749.6512714208. The cubic root of 138054305 is about 516.8327011760.

The spelling of 138054305 in words is "one hundred thirty-eight million, fifty-four thousand, three hundred five".